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%Title: Tiger document
%Author: Liu Qin
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\newtheorem{thm}{定理}[section]
\newtheorem{cor}[thm]{推论}
\newtheorem{lem}[thm]{引理}
\newtheorem{prop}[thm]{命题}
\newtheorem{defn}[thm]{定义}
\newtheorem{rem}[thm]{注}
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\begin{document}

\title{文档}
\author{刘勤}
%\keywords{}
\address{上海交通大学 08级ACM班}
\email{lqgy2001@gmail.com}
\maketitle
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